Files
Diddy-Kong-Racing/tools/dkr_texbuilder.cpp
T

364 lines
11 KiB
C++
Executable File

#include <iostream>
#include <fstream>
#include <sstream>
#include <iomanip>
#include <string>
#include <vector>
#include <tuple>
#include "dkr_decompressor_src/DKRCompression.h"
#include "n64graphics/n64graphics.h"
#define TEX_FORMAT_RGBA32 0
#define TEX_FORMAT_RGBA16 1
#define TEX_FORMAT_I8 2
#define TEX_FORMAT_I4 3
#define TEX_FORMAT_IA16 4
#define TEX_FORMAT_IA8 5
#define TEX_FORMAT_IA4 6
#define TEX_FORMAT_CI4 7
#define TEX_HEADER_SIZE 0x20
const std::string PNG_EXTENSION = ".png";
/*********************************************/
void show_help() {
std::cout << "Usage: ./dkr_texbuilder <input_png_file> <input_header_file> <output_compressed_file>" << std::endl;
}
bool starts_with(std::string filename, std::string pattern) {
return std::equal(pattern.begin(), pattern.end(), filename.begin());
}
void write_binary_file(std::vector<uint8_t>& data, std::string& filename) {
std::ofstream wf(filename.c_str(), std::ios::out | std::ios::binary);
for(int i = 0; i < data.size(); i++)
wf.write((char *)&data[i], 1);
wf.close();
}
void to_lowercase(std::string& input) {
for(char& character : input) {
character = std::tolower(character);
}
}
std::vector<std::string> split(const std::string &s, char delim) {
std::stringstream ss(s);
std::string item;
std::vector<std::string> elems;
while (std::getline(ss, item, delim)) {
elems.push_back(std::move(item));
}
return elems;
}
std::vector<uint8_t> read_binary(std::string filename) {
std::vector<uint8_t> bytes;
std::ifstream is;
is.open(filename.c_str(), std::ios::binary);
is.seekg(0, std::ios::end);
size_t filesize = is.tellg();
is.seekg(0, std::ios::beg);
bytes.resize(filesize);
is.read((char *)bytes.data(), filesize);
is.close();
return bytes;
}
/*********************************************/
void deinterlace(std::vector<uint8_t>& data, int width, int height, int bitDepth, int bufferSize) {
uint8_t* temp = new uint8_t[bufferSize];
int numPixels;
if(bitDepth == 4) {
numPixels = ((width * height) / 2);
} else {
numPixels = (width * height * (bitDepth / 8));
}
int stride = bufferSize * 2;
int size = numPixels / stride;
for(int i = 0; i < size; i++) {
int row;
if(bitDepth == 4) {
row = (i * stride) / width * 2;
} else {
row = (i * stride) / width / (bitDepth / 8);
}
if(row % 2 == 0) continue;
for(int j = 0; j < bufferSize; j++) {
temp[j] = data[i * stride + j];
data[i * stride + j] = data[i * stride + j + bufferSize];
data[i * stride + j + bufferSize] = temp[j];
}
}
delete[] temp;
}
std::vector<uint8_t> load_texture_from_png(std::string filepath, int textureFormat, int* width, int* height) {
switch(textureFormat) {
case TEX_FORMAT_RGBA32:
case TEX_FORMAT_RGBA16:
{
uint8_t* data = (uint8_t*)png2rgba(filepath.c_str(), width, height);
std::vector<uint8_t> vec(data, data + ((*width) * (*height) * 4));
free(data);
return vec;
}
case TEX_FORMAT_I8:
case TEX_FORMAT_I4:
case TEX_FORMAT_IA16:
case TEX_FORMAT_IA8:
case TEX_FORMAT_IA4:
{
uint8_t* data = (uint8_t*)png2ia(filepath.c_str(), width, height);
std::vector<uint8_t> vec(data, data + ((*width) * (*height) * 2));
free(data);
return vec;
}
case TEX_FORMAT_CI4:
std::cout << "Error: CI4 is currently not supported." << std::endl;
throw 1;
default:
std::cout << "Error: Invalid texture type: " << textureFormat << std::endl;
throw 1;
}
}
#define ALIGN16(val) ((val) + 15) & 0xFFFFFFF0
int get_texture_size(int width, int height, int textureFormat) {
switch(textureFormat) {
case TEX_FORMAT_RGBA32:
return ALIGN16((width * height * 4) + TEX_HEADER_SIZE);
case TEX_FORMAT_RGBA16:
case TEX_FORMAT_IA16:
return ALIGN16((width * height * 2) + TEX_HEADER_SIZE);
case TEX_FORMAT_I8:
case TEX_FORMAT_IA8:
return ALIGN16((width * height) + TEX_HEADER_SIZE);
case TEX_FORMAT_I4:
case TEX_FORMAT_IA4:
return ALIGN16((width * height / 2) + TEX_HEADER_SIZE);
case TEX_FORMAT_CI4:
std::cout << "Error: CI4 texture format is not currently supported." << std::endl;
throw 1;
}
std::cout << "Error: Invalid texture format " << textureFormat << std::endl;
throw 1;
}
int get_bitdepth_from_format(int textureFormat){
switch(textureFormat) {
case TEX_FORMAT_RGBA32:
return 32;
case TEX_FORMAT_RGBA16:
case TEX_FORMAT_IA16:
return 16;
case TEX_FORMAT_I8:
case TEX_FORMAT_IA8:
return 8;
case TEX_FORMAT_I4:
case TEX_FORMAT_IA4:
case TEX_FORMAT_CI4:
return 4;
}
std::cout << "Error: Invalid texture format " << textureFormat << std::endl;
throw 1;
}
std::vector<uint8_t> get_texture_data(std::vector<uint8_t> pngData, std::vector<uint8_t> &header, bool forceAlignment) {
std::vector<uint8_t> outData;
outData.insert(outData.end(), header.begin(), header.begin() + TEX_HEADER_SIZE);
bool interlace = ((outData[0x06] & 0x4) == 0x04);
int width = outData[0x00];
int height = outData[0x01];
int textureFormat = outData[0x02] & 0x0F;
switch(textureFormat) {
case TEX_FORMAT_RGBA32:
{
if (interlace) {
deinterlace(pngData, width, height, 32, 8);
}
outData.insert(outData.end(), pngData.begin(), pngData.end());
break;
}
case TEX_FORMAT_RGBA16:
{
uint8_t* rgba16Data = (uint8_t*)malloc(width * height * 2);
rgba2raw(rgba16Data, (const rgba*)&pngData[0], width, height, 16);
std::vector<uint8_t> rgba16(rgba16Data, rgba16Data + (width * height * 2));
free(rgba16Data);
if (interlace) {
deinterlace(rgba16, width, height, 16, 4);
}
outData.insert(outData.end(), rgba16.begin(), rgba16.end());
break;
}
case TEX_FORMAT_I8:
{
uint8_t* i8Data = (uint8_t*)malloc(width * height);
i2raw(i8Data, (const ia*)&pngData[0], width, height, 8);
std::vector<uint8_t> i8(i8Data, i8Data + (width * height));
free(i8Data);
if (interlace) {
deinterlace(i8, width, height, 8, 4);
}
outData.insert(outData.end(), i8.begin(), i8.end());
break;
}
case TEX_FORMAT_I4:
{
uint8_t* i4Data = (uint8_t*)malloc(width * height / 2);
i2raw(i4Data, (const ia*)&pngData[0], width, height, 4);
std::vector<uint8_t> i4(i4Data, i4Data + (width * height / 2));
free(i4Data);
if (interlace) {
deinterlace(i4, width, height, 4, 4);
}
outData.insert(outData.end(), i4.begin(), i4.end());
break;
}
case TEX_FORMAT_IA16:
{
uint8_t* ia16Data = (uint8_t*)malloc(width * height * 2);
ia2raw(ia16Data, (const ia*)&pngData[0], width, height, 16);
std::vector<uint8_t> ia16(ia16Data, ia16Data + (width * height * 2));
free(ia16Data);
if (interlace) {
deinterlace(ia16, width, height, 16, 4);
}
outData.insert(outData.end(), ia16.begin(), ia16.end());
break;
}
case TEX_FORMAT_IA8:
{
uint8_t* ia8Data = (uint8_t*)malloc(width * height);
ia2raw(ia8Data, (const ia*)&pngData[0], width, height, 8);
std::vector<uint8_t> ia8(ia8Data, ia8Data + (width * height));
free(ia8Data);
if (interlace) {
deinterlace(ia8, width, height, 8, 4);
}
outData.insert(outData.end(), ia8.begin(), ia8.end());
break;
}
case TEX_FORMAT_IA4:
{
uint8_t* ia4Data = (uint8_t*)malloc(width * height / 2);
ia2raw(ia4Data, (const ia*)&pngData[0], width, height, 4);
std::vector<uint8_t> ia4(ia4Data, ia4Data + (width * height / 2));
free(ia4Data);
if (interlace) {
deinterlace(ia4, width, height, 4, 4);
}
outData.insert(outData.end(), ia4.begin(), ia4.end());
break;
}
}
if(forceAlignment) {
while(outData.size() % 16 != 0) {
outData.push_back(0);
}
}
return outData;
}
std::vector<uint8_t> get_texture_binary(std::string inputFilepath, std::string inputHeaderFilepath, bool& isCompressed) {
std::vector<uint8_t> out;
std::vector<uint8_t> header = read_binary(inputHeaderFilepath);
isCompressed = (header[0x1D] != 0x00);
bool dontComputeSizeInHeader = (header[0x16] == 0x00 && header[0x17] == 0x00);
if (!dontComputeSizeInHeader) {
header[0x1D] = 0x00;
}
int textureFormat = header[0x02] & 0xF;
int numTextures = header[0x12];
int width, totalHeight;
std::vector<uint8_t> combinedPngData = load_texture_from_png(inputFilepath, textureFormat, &width, &totalHeight);
int height = totalHeight / numTextures;
int pngSize;
if(textureFormat == TEX_FORMAT_RGBA32 || textureFormat == TEX_FORMAT_RGBA16) {
pngSize = width * height * 4;
} else {
pngSize = width * height * 2;
}
for(int i = 0; i < numTextures; i++) {
int pngSectionStart = i * pngSize;
int pngSectionEnd = (i + 1) * pngSize;
std::vector<uint8_t> pngData(combinedPngData.begin() + pngSectionStart, combinedPngData.begin() + pngSectionEnd);
std::vector<uint8_t> textureData = get_texture_data(pngData, header, dontComputeSizeInHeader);
out.insert(out.end(), textureData.begin(), textureData.end());
}
return out;
}
/*********************************************/
int main(int argc, char* argv[]) {
if(argc != 4) {
show_help();
return 1;
}
std::string inputFilepath = argv[1];
std::string inputHeaderFilepath = argv[2];
std::string outputFilename = argv[3];
bool isCompressed;
std::vector<uint8_t> uncompressed = get_texture_binary(inputFilepath, inputHeaderFilepath, isCompressed);
// DEBUG
// std::string outFilename = outputFilename + ".uncmp.bin";
// write_binary_file(uncompressed, outFilename);
if(isCompressed) {
std::vector<uint8_t> compressedHeader;
compressedHeader.insert(compressedHeader.end(), uncompressed.begin(), uncompressed.begin() + TEX_HEADER_SIZE);
compressedHeader[0x1D] = 0x01;
DKRCompression compression;
std::vector<uint8_t> compressed = compression.compressBuffer(uncompressed);
// Note: uncompressed is garbled at this point.
compressed.insert(compressed.begin(), compressedHeader.begin(), compressedHeader.end());
write_binary_file(compressed, outputFilename);
} else {
write_binary_file(uncompressed, outputFilename);
}
return 0;
}